Thursday, August22, 2019 L-36.com


Marine Weather and Tides
Kerrville, TX

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:06AMSunset 8:12PM Thursday August 22, 2019 9:10 PM CDT (02:10 UTC) Moonrise 11:32PMMoonset 12:17PM Illumination 50% Phase: Third Quarter Moon; Moon at 22 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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7 Day Forecast for Marine Location Near Kerrville city, TX
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location: 30.01, -99.21     debug


Area Discussion for - Austin/San Antonio, TX
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Fxus64 kewx 222351
afdewx
area forecast discussion
national weather service austin san antonio tx
651 pm cdt Thu aug 22 2019

Update
See below for the 00z aviation discussion...

Aviation
Isolated showers (and a couple thunderstorms) have developed this
late afternoon across portions of the region, with these slowly
moving to the northwest. With very little wind shear to work with,
these showers storms will be short lived. Coverage is sparse enough
to handle with only vcsh at aus Sat ssf. These showers should come to
an end with the loss of daytime heating. Otherwise,VFR conditions
and southeasterly winds will persist through the evening. MVFR cigs
are expected to develop again at Sat ssf by around 8z Friday morning.

A brief period or two of MVFR CIGS will be possible again at aus on
Friday morning.VFR CIGS are expected to return by mid Friday
morning. Winds will become light and variable by early Friday morning
before returning to southeasterly around 7 to 8 knots by mid to late
Friday morning. At drt,VFR conditions and southeasterly winds
around 10 knots are expected throughout the TAF period.

Prev discussion issued 611 pm cdt Thu aug 22 2019
update...

isolated showers have developed further inland, now into portions of
the eastern hill country and i-35 corridor. Have updated to include a
mention of isolated showers through sunset near and east of a
fredericksburg to hondo to pearsall line. Can't rule out an isolated
thunderstorms or two.

Prev discussion... Issued 256 pm cdt Thu aug 22 2019
short term (tonight through Friday night)...

a few showers are lifting into the coastal plains this afternoon as
the sea breeze continues to push inland. Visible satellite imagery
shows much less vertical extent to the cumulus field than this time
yesterday as a weakness in the mid-level height field continues to
translate west of the region. While an isolated shower or two cannot
be ruled out east of interstate 35 through the early evening hours,
expect much lower shower coverage than yesterday. Loss of daytime
heating will result in convection waning with another dry night
expected as nocturnal stratus redevelops and keeps overnight lows in
the mid to upper 70s.

Afternoon water vapor imagery shows an inverted trough lifting up
the eastern mexico coast and as this feature reaches the northwest
gulf on Friday, expect scattered to numerous thunderstorms to develop
along the sea breeze mid-morning through the afternoon. This,
combined with slightly more cloud cover as convective temperatures
are reached, should help moderate temperatures a few degrees on
Friday with highs in the mid 90s to near 100. Will have to watch
progress of an outflow boundary stretching from the low rolling
plains of texas to the red river for any southward progress overnight
and during the day Friday as it may serve as a focus for
thunderstorm activity over parts of the hill country by Friday
evening. Regardless, forecast soundings from near san angelo indicate
convective temperatures will easily be met tomorrow afternoon with
little to no capping in place and even if the boundary does not make
it south, a few thunderstorms will be possible across the western
hill country during to just after peak heating. Have added low (20
percent) rain chances to the western hill country to account for
this. Loss of heating will again make Friday night dry for the region
with lows in the mid 70s to low 80s.

Long term (Saturday through Thursday)...

with the disturbance lingering over the northwest gulf on Saturday
and a shortwave trough crossing the southern plains on Saturday and
Sunday, isolated to scattered showers and thunderstorms will again be
possible across the hill country, central texas, and into the coastal
plains during peak heating. Highs in the mid 90s to near 100 this
weekend will climb into the upper 90s to low 100s on Monday as upper
ridging builds back across the region from the west. Monday appears
to be one of the hotter days in the forecast period and will need to
be monitored for potential heat advisories. Dry and hot conditions
are expected to persist through Thursday as ridging spreads farther
across the region.

Preliminary point temps pops
Austin camp mabry 77 100 76 99 77 10 10 10 20 10
austin bergstrom intl airport 74 98 74 96 76 10 20 10 20 10
new braunfels muni airport 75 98 74 98 75 10 20 10 10 10
burnet muni airport 75 96 75 96 75 10 10 10 20 10
del rio intl airport 78 100 80 99 78 10 10 10 10 10
georgetown muni airport 76 97 76 96 76 10 10 10 20 10
hondo muni airport 75 99 76 99 76 10 10 10 10 10
san marcos muni airport 75 97 75 97 76 10 20 10 10 10
la grange - fayette regional 76 96 76 97 77 20 30 10 20 10
san antonio intl airport 78 97 78 98 78 10 10 10 10 10
stinson muni airport 77 99 78 98 78 10 10 10 10 10

Ewx watches warnings advisories
None.

Aviation... Bmw
short-term long-term... Runyen


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kerrville, Kerrville Municipal Airport/Louis Schreiner Field, TX7 mi15 minSE 1010.00 miMostly Cloudy86°F63°F47%1012.9 hPa
Fredericksburg, Gillespie County Airport, TX23 mi35 minSE 310.00 miFair85°F60°F43%1012.5 hPa

Link to 5 minute data for KERV

Wind History from ERV (wind in knots)
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Last 24hrCalmSE6SE9SE9S10S4CalmSE4CalmSE6S6S5S9
G15
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1 day agoCalmCalmE6S5SE7S7S8CalmCalmS6S6SE4S9SW7S10CalmSE7S10CalmS10
G16
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2 days agoCalmCalmSE4SE6SE6SE5SE4S4SE4CalmCalmCalmS6S8S9
G15
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G15
S8S7S9S5

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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wmap_A
GOES Local Image of SouthCentralPlains    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Austin/San Antonio, TX (22,6,7,8)
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Ground Weather Radar Station Austin/San Antonio, TX
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.